Home / 38,144.86-57,229.74-18,425.68

Finding the Fourth Proportional to 38,144.86, 57,229.74 and 18,425.68

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Solution

The fourth proportional to 38,144.86, 57,229.74 and 18,425.68 is: 27,644.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,144.86 : 57,229.74 = 18,425.68 : x
  2. Step 2: Convert to fraction form
    38,144.86/57,229.74 = 18,425.68/x
  3. Step 3: Cross multiply
    38,144.86x = 57,229.74 × 18,425.68
  4. Step 4: Simplify right side
    38,144.86x = 1,054,496,875.72
  5. Step 5: Solve for x
    x = 1,054,496,875.72/38,144.86
  6. Step 6: Final answer
    x = 27,644.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.